Revert of Add builders for tracing event's structural arguments

cc/output/begin_frame_args.cc

Index: cc/output/begin_frame_args.cc
diff --git a/cc/output/begin_frame_args.cc b/cc/output/begin_frame_args.cc
index b45eee8c111e504518a90cd02f0f198d84efbe9d..4d1b27014298ef9aca3efa06901ed5526ed787a9 100644
--- a/cc/output/begin_frame_args.cc
+++ b/cc/output/begin_frame_args.cc
@@ -3,8 +3,6 @@
 // found in the LICENSE file.
 
 #include "cc/output/begin_frame_args.h"
-
-#include "base/debug/trace_event_argument.h"
 #include "ui/gfx/frame_time.h"
 
 namespace cc {
@@ -29,19 +27,13 @@
   return BeginFrameArgs(frame_time, deadline, interval);
 }
 
-scoped_refptr<base::debug::ConvertableToTraceFormat> BeginFrameArgs::AsValue()
-    const {
-  scoped_refptr<base::debug::TracedValue> state =
-      new base::debug::TracedValue();
-  AsValueInto(state.get());
-  return state;
-}
-
-void BeginFrameArgs::AsValueInto(base::debug::TracedValue* state) const {
+scoped_ptr<base::Value> BeginFrameArgs::AsValue() const {
+  scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue);
   state->SetString("type", "BeginFrameArgs");
   state->SetDouble("frame_time_us", frame_time.ToInternalValue());
   state->SetDouble("deadline_us", deadline.ToInternalValue());
   state->SetDouble("interval_us", interval.InMicroseconds());
+  return state.PassAs<base::Value>();
 }
 
 BeginFrameArgs BeginFrameArgs::CreateForSynchronousCompositor(